DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.
WIRING DIAGRAM 
PROCEDURE
(a) Check the forward recognition camera system. Click here
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Toyota Tundra Service Manual > Vehicle Stability Control System: Brake Actuator Operation Sound is Loud during Initial Check
CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), perform system variant learning and acceleration sensor zero point calibration. Click here PROCEDURE 1. PERFORM ROAD TEST (a) After turning the ignition switch to ON, compare the operating sound of the bra ...
